After marrying Meghan Markle in May, Prince Harry has pretty much been by her side all summer long, minus a few solo engagements.

From taking in the hit musical 'Hamilton' to attending various charity events side-by-side, the Duke and Duchess of Sussex seem to be lovingly attached at the hip.

However, Prince Harry made headlines this week during a visit to the Royal Marines Commando Training Centre. As any royal fan knows, Harry used to be in the British Army and went on two tours to Afghanistan.

During the visit, Prince Harry was notably fiddling with his wedding ring.

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Prince Harry at The Royal Marines Commando Training Centre

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Prince Harry at The Royal Marines Commando Training Centre

LYMPSTONE, UNITED KINGDOM - SEPTEMBER 13: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Prince Harry, Duke of Sussex visits The Royal Marines Commando Training Centre on September 13, 2018 in Lympstone, England. The Duke arrived at the centre in a Royal Navy Wildcat Maritime Attack Helicopter for his first visit in his role as Captain General Royal Marines. He met with new recruits undergoing training as well as the Invictus Games Racing Team. (Photo by Max Mumby/Indigo/Getty Images)

LYMPSTONE, UNITED KINGDOM - SEPTEMBER 13: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Prince Harry, Duke of Sussex seen fiddling with his wedding ring as he visits The Royal Marines Commando Training Centre on September 13, 2018 in Lympstone, England. The Duke arrived at the centre in a Royal Navy Wildcat Maritime Attack Helicopter for his first visit in his role as Captain General Royal Marines. He met with new recruits undergoing training as well as the Invictus Games Racing Team. (Photo by Max Mumby/Indigo/Getty Images)

LYMPSTONE, DEVON - SEPTEMBER 13: Prince Harry, Duke of Sussex visits the Royal Marines Commando Training Centre on September 13, 2018 in Lympstone, United Kingdom. The Duke arrived at the centre in a Royal Navy Wildcat Maritime Attack Helicopter for his first visit in his role as Captain General Royal Marines. He met with new recruits undergoing training as well as the Invictus Games Racing Team. (Photo by Samir Hussein/WireImage)

LYMPSTONE, DEVON - SEPTEMBER 13: Prince Harry, Duke of Sussex during a visit to The Royal Marines Commando Training Centre on September 13, 2018 in Lympstone, United Kingdom. The Duke arrived at the centre in a Royal Navy Wildcat Maritime Attack Helicopter for his first visit in his role as Captain General Royal Marines. (Photo by Mark Cuthbert/UK Press via Getty Images)

LYMPSTONE, UNITED KINGDOM - SEPTEMBER 13: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Prince Harry, Duke of Sussex visits The Royal Marines Commando Training Centre on September 13, 2018 in Lympstone, England. The Duke arrived at the centre in a Royal Navy Wildcat Maritime Attack Helicopter for his first visit in his role as Captain General Royal Marines. He met with new recruits undergoing training as well as the Invictus Games Racing Team. (Photo by Max Mumby/Indigo/Getty Images)

LYMPSTONE, DEVON - SEPTEMBER 13: Prince Harry, Duke of Sussex during a visit to The Royal Marines Commando Training Centre on September 13, 2018 in Lympstone, United Kingdom. The Duke arrived at the centre in a Royal Navy Wildcat Maritime Attack Helicopter for his first visit in his role as Captain General Royal Marines. (Photo by Mark Cuthbert/UK Press via Getty Images)

LYMPSTONE, DEVON - SEPTEMBER 13: Prince Harry, Duke of Sussex visits the Royal Marines Commando Training Centre on September 13, 2018 in Lympstone, United Kingdom. The Duke arrived at the centre in a Royal Navy Wildcat Maritime Attack Helicopter for his first visit in his role as Captain General Royal Marines. He met with new recruits undergoing training as well as the Invictus Games Racing Team. (Photo by Samir Hussein/WireImage)

LYMPSTONE, DEVON - SEPTEMBER 13: Prince Harry, Duke of Sussex visits the Royal Marines Commando Training Centre on September 13, 2018 in Lympstone, United Kingdom. The Duke arrived at the centre in a Royal Navy Wildcat Maritime Attack Helicopter for his first visit in his role as Captain General Royal Marines. He met with new recruits undergoing training as well as the Invictus Games Racing Team. (Photo by Samir Hussein/WireImage)

LYMPSTONE, DEVON - SEPTEMBER 13: Prince Harry, Duke of Sussex visits The Royal Marines Commando Training Centre on September 13, 2018 in Lympstone, United Kingdom. The Duke arrived at the centre in a Royal Navy Wildcat Maritime Attack Helicopter for his first visit in his role as Captain General Royal Marines. He met with new recruits undergoing training as well as the Invictus Games Racing Team. (Photo by Chris Jackson - WPA Pool/Getty Images)

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In a report from Express, body language expert Judi James suggests that the reason for Harry's behavior is very sweet -- he's missing his wife!

"In Harry’s case this looks like a self-comfort ritual performed for two reasons, when he's feeling under pressure or lonely.”

James continued explaining that, "firstly it allows him to create a barrier with his arms but by seeking out his wedding ring to touch and play with it suggests he's missing the back-up and support of his wife here." Swoon!

Meghan Markle also made headlines of her own this week when an eagle-eyed royal fan thought that she spotted the duchess walking her dog on the streets of London. While that instance turned out to just be a doppelganger, we can't wait for the next time Prince Harry and Meghan do step out together!

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Meghan and Harry's PDA moments

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Meghan and Harry's PDA moments

WINDSOR, ENGLAND - JULY 26: Meghan, Duchess of Sussex and Prince Harry, Duke of Sussex attend the Sentebale ISPS Handa Polo Cup at the Royal County of Berkshire Polo Club on July 26, 2018 in Windsor, England. (Photo by Karwai Tang/WireImage)

WINDSOR, ENGLAND - JULY 26: Nacho Figuares of Sentebale St. Regis presents the Sentebale Polo 2018 trophy as Meghan Duchess of Sussex and Prince Harry Duke of Sussex kiss after the Sentebale Polo 2018 held at the Royal County of Berkshire Polo Club on July 26, 2018 in Windsor, England. (Photo by Chris Jackson/Getty Images)

TORONTO, ON - SEPTEMBER 25: Meghan Markle and Prince Harry hold hands the Wheelchair Tennis on day 3 of the Invictus Games Toronto 2017 at Nathan Philips Square on September 25, 2017 in Toronto, Canada. The Games use the power of sport to inspire recovery, support rehabilitation and generate a wider understanding and respect for the Armed Forces. (Photo by Karwai Tang/WireImage)

TORONTO, ON - SEPTEMBER 25: Meghan Markle hold handss the Wheelchair Tennis on day 3 of the Invictus Games Toronto 2017 at Nathan Philips Square on September 25, 2017 in Toronto, Canada. The Games use the power of sport to inspire recovery, support rehabilitation and generate a wider understanding and respect for the Armed Forces. (Photo by Karwai Tang/WireImage)

TORONTO, ON - SEPTEMBER 30: Meghan Markle and Prince Harry are seen on day 8 of the Invictus Games Toronto 2017 on September 30, 2017 in Toronto, Canada. The Games use the power of sport to inspire recovery, support rehabilitation and generate a wider understanding and respect for the Armed Forces. (Photo by Karwai Tang/WireImage)

TORONTO, ON - SEPTEMBER 30: Meghan Markle and Prince Harry are seen at the Closing Ceremony on day 8 of the Invictus Games Toronto 2017 at the Air Canada Centre on September 30, 2017 in Toronto, Canada. The Games use the power of sport to inspire recovery, support rehabilitation and generate a wider understanding and respect for the Armed Forces. (Photo by Karwai Tang/WireImage)

Prince Harry and Meghan Markle leave after taking part in a International Women's Day event during a visit to Millennium Point in Birmingham.

Prince Harry and Meghan Markle on a walkabout during a visit to Millennium Point in Birmingham, as part of the latest leg in the regional tours the couple are undertaking in the run-up to their May wedding.

Prince Harry and Meghan Markle meet members of the public during a visit to Millennium Point in Birmingham.

Prince Harry and Meghan Markle hold each other during a walkabout at Edinburgh Castle on the couple's first official visit to Scotland on February 13, 2018.

Prince Harry and Meghan Markle during a reception for young people at the Palace of Holyroodhouse, in Edinburgh, during their visit to Scotland.

Prince Harry and Meghan Markle outside Social Bite in Edinburgh, during their visit to Scotland.

Prince Harry and Meghan Markle at Edinburgh Castle, during their visit to Scotland.

Prince Harry and Meghan Markle, attending their first official engagement together, arrive at the Endeavour Fund Awards at Goldsmiths' Hall in London on February 01, 2018. Ms. Markle wore a dark Alexander McQueen trouser suit and white shirt for the occasion.

Prince Harry and Meghan Markle arrive for a visit to the Eikon Exhibition Centre in Lisburn where they attended an event to mark the second year of youth-led peace-building initiative Amazing the Space.

Prince Harry and Ms Meghan Markle attend the UK Team Invictus Games trials held at Bath University Sports training village in Somerset. Prince Harry and Ms Meghan Markle joined wounded, injured and sick military personnel and veterans who are trying out for a place on the UK team at the Invictus Games Sydney 2018 Photo credit should read Chris Radburn/EMPICS Entertainment

Britain's Prince Harry, Duke of Sussex (L) and his new wife Britain's Meghan, Duchess of Sussex, attend the Prince of Wales's 70th Birthday Garden Party at Buckingham Palace in London on May 22, 2018. - The Prince of Wales and The Duchess of Cornwall hosted a Garden Party to celebrate the work of The Prince's Charities in the year of Prince Charles's 70th Birthday. (Photo by Ian Vogler / POOL / AFP) (Photo credit should read IAN VOGLER/AFP/Getty Images)

LONDON, ENGLAND - JUNE 09: Meghan, Duchess of Sussex and Prince Harry, Duke of Sussex on the balcony of Buckingham Palace during Trooping The Colour on June 9, 2018 in London, England. The annual ceremony involving over 1400 guardsmen and cavalry, is believed to have first been performed during the reign of King Charles II. The parade marks the official birthday of the Sovereign, even though the Queen's actual birthday is on April 21st. (Photo by Chris Jackson/Getty Images)

ASCOT, ENGLAND - JUNE 19: Meghan, Duchess of Sussex and Prince Harry, Duke of Sussex attend Royal Ascot Day 1 at Ascot Racecourse on June 19, 2018 in Ascot, United Kingdom. (Photo by Chris Jackson/Getty Images)

ASCOT, ENGLAND - JUNE 19: Meghan, Duchess of Sussex and Prince Harry, Duke of Sussex attend Royal Ascot Day 1 at Ascot Racecourse on June 19, 2018 in Ascot, United Kingdom. (Photo by Karwai Tang/WireImage)

LONDON, ENGLAND - JULY 10: (L-R) Queen Elizabeth II, Meghan, Duchess of Sussex, Prince Harry, Duke of Sussex, Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge watch the RAF flypast on the balcony of Buckingham Palace, as members of the Royal Family attend events to mark the centenary of the RAF on July 10, 2018 in London, England. (Photo by Neil Mockford/GC Images)

LONDON, ENGLAND - JULY 05: Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex arrive to meet youngsters from across the Commonwealth as they attend the Your Commonwealth Youth Challenge reception at Marlborough House on July 05, 2018 in London, England. (Photo by Yui Mok - WPA Pool/Getty Images)

DUBLINE, IRELAND - JULY 10: Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex attend a Summer Party at the British Ambassador's residence at Glencairn House during their visit to Ireland on July 10, 2018 in Dublin, Ireland. (Photo by Pool/Samir Hussein/WireImage)

DUBLIN, IRELAND - JULY 10: Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex attend a reception at Glencairn, the residence of Robin Barnett, the British Ambassador to Ireland during day one of their visit to Ireland on July 10, 2018 in Dublin, Ireland. (Photo by Geoff Pugh - WPA Pool/Getty Images)

DUBLIN, IRELAND - JULY 11: Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex visit Croke Park, home of Ireland's largest sporting organisation, the Gaelic Athletic Association during their visit to Ireland on July 11, 2018 in Dublin, Ireland. (Photo by Chris Jackson - Pool/Getty Images)

DUBLIN, IRELAND - JULY 11: Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex visit Croke Park, home of Ireland's largest sporting organisation, the Gaelic Athletic Association during their visit to Ireland on July 11, 2018 in Dublin, Ireland. (Photo by Chris Jackson - Pool/Getty Images)

DUBLIN, IRELAND - JULY 11: Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex visit Croke Park, home of Ireland's largest sporting organisation, the Gaelic Athletic Association on July 11, 2018 in Dublin, Ireland. (Photo by Samir Hussein/Samir Hussein/WireImage)

OCTOBER 15, 2018: SYDNEY, NSW - (EUROPE AND AUSTRALASIA OUT) Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex arrive into Sydney International Airport in Sydney, New South Wales. Prince Harry and Meghan Markle are in Sydney ahead of the Invictus Games. (Photo by John Grainger/Newspix/Getty Images)

PEACEHAVEN, UNITED KINGDOM - OCTOBER 03: (EDITORS NOTE: Retransmission with alternate crop.) Meghan, Duchess of Sussex and Prince Harry, Duke of Sussex make an official visit to the Joff Youth Centre in Peacehaven, Sussex on October 3, 2018 in Peacehaven, United Kingdom. The Duke and Duchess married on May 19th 2018 in Windsor and were conferred The Duke & Duchess of Sussex by The Queen. (Photo by Chris Jackson/Getty Images)

PEACEHAVEN, UNITED KINGDOM - OCTOBER 03: (EDITORS NOTE: Retransmission with alternate crop.) Meghan, Duchess of Sussex and Prince Harry, Duke of Sussex make an official visit to the Joff Youth Centre in Peacehaven, Sussex on October 3, 2018 in Peacehaven, United Kingdom. The Duke and Duchess married on May 19th 2018 in Windsor and were conferred The Duke & Duchess of Sussex by The Queen. (Photo by Chris Jackson/Getty Images)

PEACEHAVEN, UNITED KINGDOM - OCTOBER 03: (EDITORS NOTE: Retransmission with alternate crop.) Meghan, Duchess of Sussex and Prince Harry, Duke of Sussex make an official visit to the Joff Youth Centre in Peacehaven, Sussex on October 3, 2018 in Peacehaven, United Kingdom. The Duke and Duchess married on May 19th 2018 in Windsor and were conferred The Duke & Duchess of Sussex by The Queen. (Photo by Chris Jackson/Getty Images)

Britain's Prince Harry and Meghan, Duchess of Sussex arrive at Government House in Melbourne, Australia, Thursday, Oct. 18, 2018.Prince Harry and his wife Meghan are on day three of their 16-day tour of Australia and the South Pacific. (AP Photo/Kirsty Wigglesworth)

Britain's Prince Harry and Meghan, Duchess of Sussex walk across the sand at South Melbourne Beach in Melbourne, Australia, Thursday, Oct. 18, 2018. Prince Harry and his wife Meghan are on day two of their 16-day tour of Australia and the South Pacific. (Ian Vogler/Pool Photo via AP)

Britain's Prince Harry and Meghan, Duchess of Sussex arrive at the Royal Botanic Gardens in Melbourne, Australia, Thursday, Oct. 18, 2018. Prince Harry and his wife Meghan are on day three of their 16-day tour of Australia and the South Pacific. (Phil Noble/Pool Photo via AP)

Britain's Prince Harry and Meghan, Duchess of Sussex attend a community picnic at Victoria Park in Dubbo, Australia, Wednesday, Oct. 17, 2018. Prince Harry and his wife Meghan are on day two of their 16-day tour of Australia and the South Pacific. (Ian Vogler/Pool via AP)

MELBOURNE, AUSTRALIA - OCTOBER 18: (NO UK SALES FOR 28 DAYS) Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex visit South Melbourne Beach October 18, 2018 in Melbourne, Australia. The Duke and Duchess of Sussex are on their official 16-day Autumn tour visiting cities in Australia, Fiji, Tonga and New Zealand. (Photo by Pool/Samir Hussein/WireImage)

MELBOURNE, AUSTRALIA - OCTOBER 18: (NO UK SALES FOR 28 DAYS) Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex visit South Melbourne Beach October 18, 2018 in Melbourne, Australia. The Duke and Duchess of Sussex are on their official 16-day Autumn tour visiting cities in Australia, Fiji, Tonga and New Zealand. (Photo by Pool/Samir Hussein/WireImage)